Download Firefox 9 with 20-30% increase in JavaScript performance

As it happens with almost every release of Firefox, you can download the latest version of your favorite browser i.e Firefox 9 Â one day ahead of the official release of the browser by Mozilla. The major change which comes along with this version of Firefox is in terms of increase in performance ofÂ JavaScriptÂ due to addition ofÂ type inference to the JavaScript engine which helps improve the performance by over 20-30 % as reported by Extremetech.

You wont notice any changes in the user interface or in fact any other visible changes. This new version also comes with lots ofÂ Â bug and stability fixes, and overall speed increase. If you are a Mac user, then Firefox 9Â lets you use â€œtwo finger swipe navigationâ€. This new version comes with the following major changes: